Writing instrument



FIG. 1 is a left side view of the writing instrument;

FIG. 2 is a front view of the writing instrument;

FIG. 3 is a right side view of the writing instrument;

FIG. 4 is a rear view of the writing instrument;

FIG. 5 is a plan view from bottom of the writing instrument;

FIG. 6 is a plan view from above of the writing instrument; and,

FIG. 7 is a perspective view of the writing instrument.

The ornamental design of a writing instrument, as shown and described.